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PalDat - Palynological Database

an online publication on recent pollen

Chenopodium hybridum

Taxonomy: Spermatophyta, Caryophyllales, Chenopodiaceae, Chenopodium

Published: 2005-06-01

Pollen Description

Shape, Size and Aperture

pollen unit: monad,  dispersal unit and peculiarities: monad,  size (pollen unit): medium-sized (26-50 µm),  size of hydrated pollen (LM): -,  shortest polar axis in equatorial view (LM): -,  longest polar axis in equatorial view (LM): -,  shortest diameter in equatorial or polar view (LM): -,  longest diameter in equatorial or polar view (LM): -,  pollen class: -,  polarity: isopolar,  P/E-ratio: -,  shape: spheroidal,  outline in polar view: circular,  dominant orientation (LM): -,  P/E-ratio (dry pollen): -,  shape (dry pollen): irregular,  outline in polar view (dry pollen): irregular,  infoldings (dry pollen): irregularly infolded,  aperture number: >6,  aperture type: -,  aperture condition: porate,  aperture peculiarities: pantoaperturate, aperture membrane ornamented

Ornamentation and Structure

LM  ornamentation LM: granulate,  nexine: -,  sexine: -,  SEM  ornamentation SEM: microechinate, perforate,  suprasculpture SEM: -,  TEM  tectum: eutectate,  infratectum: columellate,  foot layer: continuous,  endexine: absent,  intine: monolayered,  wall peculiarities: -,  supratectal element: -

Miscellaneous

pollen coatings: pollenkitt, primexine matrix,  reserves in cytoplasm: lipids, starch, polysaccharide vesicles,  cell number: 3-celled,  Ubisch bodies: present

Author(s) of diagnosis: Halbritter, H.; Diethart, B.

Pictures

habitus

1. habitus

flower(s)

2. flower(s)

pollen grain with two sperm cells

3. pollen grain with two sperm cells

upper focus

4. upper focus

optical section

5. optical section

lower focus

6. lower focus

hydrated pollen grain

7. hydrated pollen grain

apertures

8. apertures

exine surface

9. exine surface

dry pollen grains

10. dry pollen grains

dry pollen grain

11. dry pollen grain

dry pollen grain

12. dry pollen grain

anther wall with Ubisch bodies

13. anther wall with Ubisch bodies

pollen grain in cross section

14. pollen grain in cross section

interapertural area of pollen wall

15. interapertural area of pollen wall

interapertural area of pollen wall

16. interapertural area of pollen wall

apertural area of pollen wall

17. apertural area of pollen wall

apertural area of pollen wall

18. apertural area of pollen wall

apertural area of pollen wall

19. apertural area of pollen wall

Picture legend

  1. habitus, photographer: Diethart, B.
  2. flower(s), photographer: Halbritter, H.
  3. pollen grain with two sperm cells - fresh, unfixed, aceto-carmine, photographer: Diethart, B.
  4. upper focus - fresh, acetolyzed, unstained, photographer: Diethart, B.
  5. optical section - fresh, acetolyzed, unstained, photographer: Diethart, B.
  6. lower focus - fresh, acetolyzed, unstained, photographer: Diethart, B.
  7. hydrated pollen grain - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  8. apertures - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  9. exine surface - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Halbritter, H.
  10. dry pollen grains - dry, sputter coated with gold, photographer: Halbritter, H.
  11. dry pollen grain - dry, sputter coated with gold, photographer: Diethart, B.
  12. dry pollen grain - dry, sputter coated with gold, photographer: Diethart, B.
  13. anther wall with Ubisch bodies - fresh, rehydrated (water) & critical point dried & sputter coated with gold, photographer: Diethart, B.
  14. pollen grain in cross section - fresh, glutaraldehyde & osmium & potassium ferrocyanide, modified Thiéry-test, photographer: Diethart, B.
  15. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Diethart, B.
  16. interapertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, Thiéry-test, photographer: Diethart, B.
  17. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, Thiéry-test, photographer: Diethart, B.
  18. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, uranyl acetate & lead citrate, photographer: Diethart, B.
  19. apertural area of pollen wall - fresh, glutaraldehyde & osmium & potassium ferrocyanide, lipid-test, photographer: Diethart, B.

Literature

  • De FRA (1969) Development and histochemistry of the endothecium in the anthers of in vitro grown Chenopodium rubrum L. Bot Gaz 130: 10-22

Copyright and Citation

Cite this publication as:

Halbritter H., Diethart B. 2005. Chenopodium hybridum. In: PalDat - A palynological database. https://pc8.botanik.univie.ac.at/pub/Chenopodium_hybridum/107293;jsessionid=2BE0A19ABC4B1527ABBF398FC9A773E3; accessed 2025-01-26

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